Penggunaan Limbah Abu Batu Sebagai Campuran Pada Agregat Halus Terhadap Kuat Tekan Beton

Use Of Stone Ash Waste As A Mixture In Fine Aggregate On Compressive Strength Of Concrete

Authors

  • Rinaldi Fatwa Universitas Muhammadiyah Palangkaraya
  • Noviyanthy Handayani Universitas Muhammadiyah Palangkaraya
  • Amelia Faradila Universitas Muhammadiyah Palangkaraya

DOI:

https://doi.org/10.33084/mits.v12i2.7427

Keywords:

Abu Batu, Kuat Tekan, Agregat Halus, Beton Normal

Abstract

Stone ash is a fine aggregate that passes through sieve no. 4 (diameter 4.75mm) but is retained on sieve no. 200 (0.075mm), thus making stone ash a waste that is useful as a mixture of construction building materials because stone ash can function as a fine aggregate as a substitute for sand in concrete mixtures. The purpose of this research is to find out whether stone ash can be a suitable and good material as a substitute for some of the fine aggregate (sand) in a normal concrete mixture or not, to find out the results of the compressive strength test of concrete by stone ash in a normal concrete mixture, and what percentage composition stone ash which produces optimal concrete compressive strength tests or according to plan. The test object used was a 150 × 300mm cylinder with a total of 36 samples. Stone ash waste with composition ratios of 15%, 25% and 35% has a fairly good bond as an added material to normal concrete mixtures as a substitute for fine aggregate and can even increase the compressive strength of concrete significantly. The composition of stone ash used as a mixture for fine aggregate is 15%, 25% and 35% with a planned concrete quality of 20 MPa and a concrete age of 7, 14 and 28 days. The compressive strength produced by normal concrete without a mixture of stone ash aged 7, 14, and 28 days produces concrete compressive strengths of 13.63 MPa, 19.57 MPa, and 20.53 MPa. Next, for concrete with a rock ash composition of 15% of fine aggregate with an age of 7, 14 and 28 days, the concrete compressive strength is 15.75 MPa, 18.02 MPa, 22.03 MPa. Concrete with a stone ash composition of 25% of fine aggregate with an age of 7.14 and 28 days produces a concrete compressive strength of 15.96 MPa, 19.02 MPa, 21.16 MPa. Concrete with a stone ash composition of 35% of fine aggregate with an age of 7, 14 and 28 days produces a concrete compressive strength of 23.49 MPa, 24.31 MPa, 24.95 MPa. From the research conducted, the 35% composition has the highest compressive strength value of concrete among the other compositions

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Author Biographies

Rinaldi Fatwa, Universitas Muhammadiyah Palangkaraya

Student of Civil Engineering, Universitas Muhammadiyah Palangkaraya

Noviyanthy Handayani, Universitas Muhammadiyah Palangkaraya

Lecturer of Civil Engineering, Universitas Muhammadiyah Palangkaraya

Amelia Faradila, Universitas Muhammadiyah Palangkaraya

Lecturer of Civil Engineering, Universitas Muhammadiyah Palangkaraya

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Published

2024-05-31

How to Cite

Fatwa, R., Handayani, N., & Faradila, A. (2024). Penggunaan Limbah Abu Batu Sebagai Campuran Pada Agregat Halus Terhadap Kuat Tekan Beton: Use Of Stone Ash Waste As A Mixture In Fine Aggregate On Compressive Strength Of Concrete. Media Ilmiah Teknik Sipil, 12(2), 167–175. https://doi.org/10.33084/mits.v12i2.7427